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Manual
101
3.6.2.6 Port Trigger
Click
Port Trigger
in the left pane, and the page shown in the following figure appears.
Click the Usual Application Name drop-down menu to choose the application you want to
setup for port triggering. When you have chosen an application the default Trigger settings
will populate the table below.
If the application you want to setup isn’t listed, click the User-defined Application Name radio
button and type in a name for the trigger in the Custom application field. Configure the Start
Match Port, End Match Port, Trigger Protocol, Start Relate Port, End Relate Port, Open
Protocol and Nat type settings for the port trigger you want to configure.
When you have finished click the
Apply changes
button.
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3.6.2.7 FTP ALG Port
Click
FTP ALG Port
in the left pane, the page shown in the following figure appears. The
common port for FTP connection is port 21, and a common ALG monitors the TCP port 21 to
ensure NAT pass-through of FTP. By enabling this function, when the FTP server connection
port is not a port 21, the FTP ALG module will be informed to monitor other TCP ports to
ensure NAT pass-through of FTP.
The following table describes the parameters and buttons of this page:
Field
Description
FTP ALG port
Set an FTP ALG port.
Add Dest Ports
Add a port configuration.
Delete Selected DestPort
Delete a selected port configuration from the list.
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3.6.2.8 NAT IP Mapping
NAT is short for Network Address Translation. The Network Address Translation Settings
window allows you to share one WAN IP address for multiple computers on your LAN.
Click
NAT IP
Mapping in the left pane, the page shown in the following figure appears.
Entries in this table allow you to configure one IP pool for specified source IP address from
LAN, so one packet whose source IP is in range of the specified address will select one IP
address from the pool for NAT.
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3.6.3
Port Mapping
Choose
Advance > Port Mapping
, and the page shown in the following figure appears. In
this page, you can bind the WAN interface and the LAN interface to the same group.
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The procedure for manipulating a mapping group is as follows:
Step 1
Select Enable to enable this function.
Step 2
Select a group from the table.
Step 3
Select interfaces from the WAN and LAN interface list and add them to the
grouped interface list using the arrow buttons to manipulate the required
mapping of the ports.
Click
Apply Changes
to save the changes.
3.6.4
IP QoS
Choose
Advance > IP QoS
, and the page shown in the following figure appears. Entries in
the QoS Rule List are used to assign the precedence for each incoming packet based on
physical LAN port, TCP/UDP port number, source IP address, destination IP address and
other information.
Step 1
Enable IP QoS and click Apply to enable IP QoS function.
Step 2
Click add rule to add a new IP QoS rule.
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